EP2204513A2 - Multi-layer heat insulating board and method for building a heat insulated facade - Google Patents
Multi-layer heat insulating board and method for building a heat insulated facade Download PDFInfo
- Publication number
- EP2204513A2 EP2204513A2 EP09075569A EP09075569A EP2204513A2 EP 2204513 A2 EP2204513 A2 EP 2204513A2 EP 09075569 A EP09075569 A EP 09075569A EP 09075569 A EP09075569 A EP 09075569A EP 2204513 A2 EP2204513 A2 EP 2204513A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- thermal insulation
- layer
- fumed silica
- layers
- silica particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000009413 insulation Methods 0.000 claims abstract description 83
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910021485 fumed silica Inorganic materials 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 22
- 239000011810 insulating material Substances 0.000 claims abstract description 13
- 229920002635 polyurethane Polymers 0.000 claims abstract description 8
- 239000004814 polyurethane Substances 0.000 claims abstract description 8
- 239000004793 Polystyrene Substances 0.000 claims abstract description 6
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 6
- 239000003605 opacifier Substances 0.000 claims abstract description 6
- 229920002223 polystyrene Polymers 0.000 claims abstract description 6
- 239000006260 foam Substances 0.000 claims abstract description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011495 polyisocyanurate Substances 0.000 claims abstract description 4
- 229920000582 polyisocyanurate Polymers 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 239000012774 insulation material Substances 0.000 abstract description 2
- 230000000295 complement effect Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 239000004794 expanded polystyrene Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011491 glass wool Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
- B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0285—Condensation resins of aldehydes, e.g. with phenols, ureas, melamines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B2001/742—Use of special materials; Materials having special structures or shape
Definitions
- the invention relates to a multilayer thermal insulation board and a method for building a thermal insulation facade.
- Heat-insulating facade systems not only contribute significantly to the need for heat energy in new buildings, but also in the renovation of old buildings. Due to the legally prescribed Energy Saving Ordinance, there is a great demand for high-performance insulating materials with the aim of achieving a high thermal insulation with low costs through the most slender wall construction possible.
- DE 101 47 409 A1 is a heat-insulating, supportive device and a method for its preparation described in which between two outer Shells, of which at least one is made of a viable material, an insulating layer of pressed, nanoporous powder, such as fumed silica pressed in sheet form and placed in a film envelope, evacuated and vacuum-tight welded.
- an edge protector is mounted along the peripheral edge of the insulating layer.
- the heat-insulating components are also folded complementary.
- a composite thermal insulation board with a, for example, cork stone, polyurethane, rigid foam or extrudable polystyrene existing support and other, preferably made of vermiculite, fumed silica and mineral turbidity and binders insulating known.
- the DE 103 59 005 A1 discloses a composite thermal insulation board with a vacuum-foamed on both sides of polyurethane vacuum insulation such as microporous silica, a cover made of aluminum foil and a glued another plate made of polyurethane material, which can be combined with load-bearing panels made of concrete or wood.
- a sandwich element for sound and heat insulation which consists of a composite of two plates of press, foam and fiber materials, such as polyethylene, polystyrene or polyurethane and a non-positively embedded vacuum insulation panel of preferably fumed silica.
- a multi-layered thermal insulation panel having at least three layers wherein at least one inner layer of the at least three layers contains hydrophobized, fumed silica particles.
- Hydrophobic, fumed silica particles can be produced in a comparatively simple process and have an excellent low thermal conductivity of less than 15 mW / (m * K).
- the embedding of at least one of e.g. layer hydrophobized with organosilicon compounds and consisting of fumed silica particles makes it possible to construct a thermal insulation panel with high efficiency in a cost-effective manner.
- the hydrophobicized, fumed silica particles may be compressed with filaments and opacifiers to the at least one inner layer.
- filaments and opacifiers may be compressed with filaments and opacifiers to the at least one inner layer.
- the at least one hydrophobized, fumed silica particles-containing layer is not evacuated.
- the evacuation of the fumed silica particle layer is a complex process, which indeed causes a further improvement of the thermal insulation properties, a non-evacuated layer of fumed silica particles but already achieved a very low thermal conductivity of 18 to 20 mW / (m * K).
- the thermal conductivity is only 13 to 15 mW / (m * K).
- this layer may be embedded by a front and a back cover layer.
- thermal insulation properties can be achieved by providing at least two inner layers of hydrophobized, fumed silica particles between two cover layers and at least one intermediate layer.
- mineral and organic insulating materials can be selected, which are made of foamed and extruded polystyrene, polyurethane, polyisocyanurate, phenolic foam or other suitable insulating material.
- suitable insulating material for the front and the rear cover layer preferably mineral and organic insulating materials can be selected, which are made of foamed and extruded polystyrene, polyurethane, polyisocyanurate, phenolic foam or other suitable insulating material.
- the thickness of the plates may preferably be in a range of 5 to 300 mm. Thus, a wide range of each required thermal insulation properties can be covered.
- a standardized embodiment may preferably have a dimension of 1000 mm x 500 mm.
- the planning and construction of a thermal insulation facade can be done using known standard dimensions.
- opposite sides of the layer arrangement of cover layers of at least one inner layer and at least one intermediate layer are provided with stepped folds. It can be arranged at two right angles arranged sides of the thermal insulation board devisnfalze and at two, the right angles arranged sides opposite sides stepped rebates.
- an overlap of the inner silicic acid layers is achieved at each joint and an occurrence of thermal bridges is avoided.
- an overlap length of the inner layers of two adjacent plates may be at least 2 cm or even more than 3 cm.
- a process for constructing a thermal insulation facade made of insulating panels containing hydrophobized, fumed silica particles comprises the following steps:
- the façade is first constructed from insulation boards with a standardized format, then missing, non-standard-sized and still to be fitted insulation panels are cut.
- Such cropping is only possible through the use of Non-evacuated thermal insulation panels possible, since there is no cuttability for evacuated thermal insulation panels in contrast to the thermal insulation panels according to the invention.
- the cut surfaces are sealed with a sealant such as a special resin and used to complete the facade.
- the method enables a cutting on site, as when cutting fitting pieces, eg for a sloping roof, no vacuum insulation is destroyed.
- the cut surfaces are sealed with a suitable resin.
- a complete thermal insulation façade made of standard format panels can be erected on site in a very simple and cost-effective manner.
- mineral wool e.g. Stone or glass wool as an insulating material allows the formation of a non-combustible thermal insulation board with a thermal conductivity, which is less than 25 W / m * K at a temperature of 10 ° C and can be disposed of as environmentally sound construction waste in a dismantling.
- the thermal conductivity of an insulation board structure with a 15 mm layer of compressed, fumed silica particles which has not been rendered hydrophobic and is covered by two 10 mm thick layers of foamed polystyrene (035 EPS plates) is on average at a value of 25 mW / ( m * K).
- the use of hydrophobized, fumed silica allows a further reduction of the thermal conductivity to 20 mW / (m * K), since the voids in the structure of the compressed fumed silica by. Hydrophobizing be reduced.
- a further improvement of the thermal insulation can be achieved in which the layer of pyrogenic hydrophobicized silica particles is formed significantly thicker, for example thicker than 6 cm.
- the possibility to provide such thick insulating layers is another advantage over vacuum insulation panels, which are limited to a thickness of less than 6 cm.
- the multilayer sandwich panels are individually baked as machine boards produced.
- Fig. 1 shows a three-dimensional representation of a basic structure of a multi-layer heat-insulating panel 1, which has a front cover layer 2, an inner layer 3 and a rear cover layer 4.
- the inner layer 3 is arranged between the front cover layer 2 and the rear cover layer 3.
- the front cover layer 2 and the back cover layer 4 consist of an organic insulating material, which may be, for example, foamed and extruded polystyrene, polyurethane, polyisocyanurate, phenolic foam, a mineral insulating material such as glass and rock wool or other suitable insulating material
- the inner layer 3 without an evacuation of hydrophobized, fumed silica particles, which was pressed, for example, with filaments and opacifiers.
- the hydrophobing can be carried out using silicones.
- a standardized embodiment of the multi-layered thermal insulation panel 1 preferably has the dimensions 1000 mm x 500 mm and the thickness of the panels is preferably in a range of 5 to 300 mm.
- Fig. 2 shows a cross section of two three-layer thermal insulation panels 1a and 1b with shiplap 9 and the layer thicknesses.
- a first three-layered thermal insulation board 1a with a total thickness of 10 cm consists of a 2 cm thick inner layer 7, which is embedded by a 6 cm thick lower cover layer 5a and a 2 cm thick upper cover layer 5.
- the lower cover layer 5a forms with a thickness of 5 cm a stepped fold 9 which is arranged on an opposite side complementary, wherein the above the lower cover layer 5a arranged inner layer 7 overlaps the rabbet 9 and thereby of the upper cover layer 5 and an upper portion with a thickness of 1 cm of the lower cover layer 5a is embedded.
- a second three-layered thermal insulation board 1b is rotated by 180 ° with correspondingly reversed layer sequence and complementary stepped rebate 9a next to the thermal insulation board 1a and forms with this a structure in which the inner layer 7 of the thermal insulation board 1a an inner layer 8 of the thermal insulation board 1b due to the complementary devisnfalz 9a overlaps from above, wherein an overlap length of the two inner layers 7, 8 is preferably at least 3 cm.
- the 2 cm thick inner layer 8 of the thermal insulation board 1b is embedded by a 2 cm thick lower cover layer 6 and a 6 cm thick upper cover layer 6a.
- FIG. 3 shows a cross section of two three-layer thermal insulation panels 10 and 10a with shiplap 9 and the layer thicknesses.
- a first five-layered thermal insulation board 10 with a total thickness of 8 cm consists of two inner layers 11 and 12 each 1 cm thick, between which a middle layer 13a with a thickness of 2 cm is located, while above the inner layer 11 an upper cover layer 13b with a Thickness of 2 cm and below the inner layer 12, a lower cover layer 13 are arranged with a thickness of 2 cm, wherein the inner layers 11 and 12 of the cover layers 13, 13a and 13b are embedded.
- the lower cover layer 13, the inner layer 12 and, with a thickness of 1 cm, an upper section of the middle layer 13a form a shiplap 9, which is arranged complementary on an opposite side, wherein the inner layer 11 arranged above the shiplap 9 forms the shiplap 9 is overlapped and thereby embedded by the upper cover layer 13b and a lower section with a thickness of 1 cm of the middle layer 13a.
- a second five-layered thermal insulation board 10a is rotated by 180 ° with correspondingly reversed layer sequence and complementary stepped rebate 9a next to the thermal insulation board 10 with two inner layers 15 and 16 and forms together with the thermal insulation board 10 a structure in which the inner layer 11 of the thermal insulation board 10th the inner layer 16 of the thermal insulation board 10a overlaps from above due to the complementary rabbet groove 9a.
- the 1 cm thick inner layers 15 and 16 of the thermal insulation board 10a are embedded by a lower cover layer 14b, a middle layer 14a and an upper cover layer 14.
- the plate had a nominal thickness of 40 mm, with a thickness measured according to the EN 823 standard deviating from the nominal thickness and being 39.2 mm.
- the plate is made up of two outer layers of EPS with a thickness of approximately 10 mm each and an inner layer which has a thickness of approximately 20 mm and contains hydrophobized fumed silica.
- a base area of the sample is 25 dm 2 , a mass of the sample 163.1 g and a bulk density 16.6 kg / m 3 .
- the test pressure was 2500 Pa.
- the sample was placed in a single-plate thermal conductivity meter "lambda-meter EP-500" from Lambda-Messtechnik GmbH, Dresden. This complies with EN 1946-2. The measurement was carried out while the sample was oriented horizontally and the hot side was up. The thermal conductivity measurement was carried out in accordance with the ISO 8302 or EN 12667 standards.
- the first measurement was carried out at a temperature of 10 ° C.
- a measured thermal conductivity was 23.96 mW / (m ⁇ K), while an R value, ie a thermal resistance, of 1.636 m 2 K / W was measured.
- the second and third measurements were carried out at 23 and 40 ° C, respectively.
- a measured thermal conductivity was 24.83 and 26.24 mW / (m ⁇ K), respectively, while an R value of 1.579 and 1.494 m 2 K / W, respectively, was measured.
- a thermal conductivity of 23.92 mW / (m ⁇ K) results at 10 ° C. and an R value of 1.640 m 2 K / W.
- a TK value which indicates the derivative of the thermal conductivity according to the temperature, is 0.0763 mW / (m ⁇ K 2 ).
- thermal insulation facade of thermal insulation panels For the construction of a thermal insulation facade of thermal insulation panels according to the invention with a standard size of preferably 1000 mm x 500 mm, the thermal insulation facade is first as far as possible constructed of insulation boards with the standardized format. Then missing and adaptable insulation board sections from standard formats are cut on site and the cut surfaces are sealed with a resin. Subsequently, the thus-prepared thermal insulation panel sections are used to complete the thermal insulation facade.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
Description
Die Erfindung betrifft eine mehrschichtige Wärmedämmplatte und ein Verfahren zum Aufbau einer Wärmedämmfassade.The invention relates to a multilayer thermal insulation board and a method for building a thermal insulation facade.
Wärmedämmende Fassadensysteme tragen nicht nur bei Neubauten, sondern auch bei der Altbausanierung zu einer erheblichen Verringerung des Bedarfs von Wärmeenergie bei. Aufgrund der gesetzlich vorgeschriebenen Energieeinsparverordnung existiert eine große Nachfrage nach leistungsstarken Dämmstoffen mit dem Ziel durch einen möglichst schlanken Wandaufbau eine hohe Wärmedämmung mit geringen Kosten zu erreichen.Heat-insulating facade systems not only contribute significantly to the need for heat energy in new buildings, but also in the renovation of old buildings. Due to the legally prescribed Energy Saving Ordinance, there is a great demand for high-performance insulating materials with the aim of achieving a high thermal insulation with low costs through the most slender wall construction possible.
In der
Aus der
Die
In der
Die genannten Druckschriften zeigen einen vergleichsweise aufwändigen, ein Vakuum oder zahlreiche Materialien erfordernden und damit kostenintensiven Schichtaufbau für ein Wärme dämmendes Fassendensystem.The cited documents show a comparatively consuming, a vacuum or numerous materials requiring and therefore costly layer structure for a heat-insulating Fassendensystem.
Es ergibt sich die Aufgabe eine Wärmedammplatte für den Aufbau eines Wärme dämmenden Fassendensystems zu entwickeln, die mit geringem Aufwand einen effizienten und zugleich kostengünstigen Schichtaufbau für die Wärmedämmung ermöglicht.It results in the task of developing a thermal insulation board for the construction of a heat-insulating Fassendensystems that allows for low cost an efficient and cost-effective layer structure for thermal insulation.
Diese Aufgabe wird erfindungsgemäß gelöst durch eine mehrschichtige Wärmedämmplatte mit den Merkmalen des Anspruchs 1 und ein Verfahren mit den Merkmalen des Anspruchs 8. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich mit den Merkmalen der Unteransprüche.This object is achieved by a multi-layer thermal insulation board with the features of claim 1 and a method having the features of
Erfindungsgemäß wird eine mehrschichtige Wärmedämmplatte mit mindestens drei Schichten vorgeschlagen, wobei mindestens eine innere Schicht der mindestens drei Schichten hydrophobierte, pyrogene Kieselsäurepartikel enthält. Hydrophobierte, pyrogene Kieselsäurepartikel sind in einem vergleichsweise einfachen Prozess herstellbar und haben zu Platten verpresst eine ausgezeichnet geringe Wärmeleitfähigkeit von weniger als 15 mW/(m*K). Die Einbettung von mindestens einer aus z.B. mit Organosiliziumverbindungen hydrophobierten, pyrogenen Kieselsäurepartikeln bestehenden Schicht ermöglicht den kostengünstigen Aufbau einer Wärmedämmplatte mit hoher Effizienz.According to the invention, a multi-layered thermal insulation panel having at least three layers is proposed, wherein at least one inner layer of the at least three layers contains hydrophobized, fumed silica particles. Hydrophobic, fumed silica particles can be produced in a comparatively simple process and have an excellent low thermal conductivity of less than 15 mW / (m * K). The embedding of at least one of e.g. layer hydrophobized with organosilicon compounds and consisting of fumed silica particles makes it possible to construct a thermal insulation panel with high efficiency in a cost-effective manner.
Die hydrophobierten, pyrogenen Kieselsäurepartikel können mit Filamenten und Trübungsmitteln zu der mindestens einen inneren Schicht verpresst sein. Zur Verbesserung von Konsistenz und Verarbeitbarkeit werden hydrophobierten, pyrogenen Kieselsäurepartikeln Filamente und Trübungsmittel zugegeben und durch das Verpressen des zusammengesetzten Dämmmaterials wird eine weitere Verbesserung der Wärmedämmeigenschaften erreicht.The hydrophobicized, fumed silica particles may be compressed with filaments and opacifiers to the at least one inner layer. To improve consistency and processability hydrophobicized, fumed silica particles filaments and opacifiers added and by compressing the composite insulating material, a further improvement of the thermal insulation properties is achieved.
Die mindestens eine hydrophobierte, pyrogene Kieselsäurepartikel enthaltende Schicht ist nicht evakuiert. Das Evakuieren der pyrogenen Kieselsäurepartikelschicht ist ein aufwändiger Vorgang, der zwar eine weitere Verbesserung der Wärmedämmeigenschaften bewirkt, eine nicht evakuierte Schicht pyrogener Kieselsäurepartikel erreicht jedoch bereits auch eine sehr niedrige Wärmeleitfähigkeit von 18 bis 20 mW/(m*K). Nach erfolgter Hydrophobierung liegt die Wärmeleitfähigkeit bei nur noch 13 bis 15 mW/(m*K).The at least one hydrophobized, fumed silica particles-containing layer is not evacuated. The evacuation of the fumed silica particle layer is a complex process, which indeed causes a further improvement of the thermal insulation properties, a non-evacuated layer of fumed silica particles but already achieved a very low thermal conductivity of 18 to 20 mW / (m * K). After completion of the hydrophobization, the thermal conductivity is only 13 to 15 mW / (m * K).
Um die mindestens eine innere Schicht aus hydrophobierten, pyrogenen Kieselsäurepartikeln vor Feuchtigkeit, Schmutz und mechanischen Einwirkungen zu schützen, kann diese Schicht von einer vorderen und einer hinteren Deckschicht eingebettet sein.In order to protect the at least one inner layer of hydrophobized, fumed silica particles from moisture, dirt and mechanical effects, this layer may be embedded by a front and a back cover layer.
Eine weitere Verbesserung der Wärmedämmeigenschaften kann erzielt werden, indem mindestens zwei innere Schichten aus hydrophobierten, pyrogenen Kieselsäurepartikeln zwischen zwei Decksichten und mindestens einer Zwischenschicht vorgesehen sind.A further improvement of the thermal insulation properties can be achieved by providing at least two inner layers of hydrophobized, fumed silica particles between two cover layers and at least one intermediate layer.
Für die vordere und die hintere Deckschicht können bevorzugt mineralische und organische Dämmstoffe ausgewählt werden, die aus aufgeschäumtem und extrudiertem Polystyrol, aus Polyurethan, Polyisocyanurat, Phenolschaum oder einem anderen geeigneten Dämmstoff hergestellt sind. Die Verwendung konventioneller Dämmmaterialien ermöglicht eine kostengünstige und anwendungsspezifisch anpassbare Auswahl eines geeigneten Dämmstoffes für die schützenden Deckschichten.For the front and the rear cover layer preferably mineral and organic insulating materials can be selected, which are made of foamed and extruded polystyrene, polyurethane, polyisocyanurate, phenolic foam or other suitable insulating material. The use of conventional insulation materials allows a cost-effective and application-specific adaptable selection of a suitable insulating material for the protective cover layers.
Die Stärke der Platten kann vorzugsweise in einem Bereich von 5 bis 300 mm liegen. Damit kann ein weiter Bereich jeweils erforderlicher Wärmedämmeigenschaften abgedeckt werden.The thickness of the plates may preferably be in a range of 5 to 300 mm. Thus, a wide range of each required thermal insulation properties can be covered.
Eine standardisierte Ausführung kann bevorzugt eine Abmessung von 1000 mm x 500 mm haben. So können die Planung und die Errichtung einer Wärmedämmfassade unter Verwendung bekannter Standardmaße erfolgen.A standardized embodiment may preferably have a dimension of 1000 mm x 500 mm. Thus, the planning and construction of a thermal insulation facade can be done using known standard dimensions.
Vorzugsweise sind gegenüberliegenden Seiten der Schichtanordnung aus Deckschichten mindestens einer inneren Schicht und mindestens einer Zwischenschicht mit Stufenfalzen versehen. Es können an zwei rechtwinklig angeordneten Seiten der Wärmedämmplatte Stufenfalze und an zwei, den rechtwinklig angeordneten Seiten gegenüber liegenden Seiten komplementäre Stufenfalze angeordnet sein. Dadurch wird an jeder Fuge eine Überlappung der inneren Kieselsäureschichten erreicht und ein Auftreten von Wärmebrücken wird vermieden. In einigen Ausführungsformen kann eine Überlappungslänge der inneren Schichten zweier benachbarter Platten mindestens 2 cm oder sogar über 3 cm betragen.Preferably, opposite sides of the layer arrangement of cover layers of at least one inner layer and at least one intermediate layer are provided with stepped folds. It can be arranged at two right angles arranged sides of the thermal insulation board Stufenfalze and at two, the right angles arranged sides opposite sides stepped rebates. As a result, an overlap of the inner silicic acid layers is achieved at each joint and an occurrence of thermal bridges is avoided. In some embodiments, an overlap length of the inner layers of two adjacent plates may be at least 2 cm or even more than 3 cm.
Ein Verfahren zum Aufbau einer Wärmedämmfassade aus Dämmplatten, die hydrophobierte, pyrogene Kieselsäurepartikel enthalten, umfasst folgende Schritte: Die Fassade wird zunächst aus Dämmplatten mit einem standardisierten Format aufgebaut, daraufhin werden fehlende, nicht dem Standardformat entsprechende und noch einzupassende Dämmplatten zugeschnitten. Ein solches Zuschneiden wird nur durch die Verwendung von nicht-evakuierten Wärmedämmplatten möglich, da für evakuierte Wärmedämmplatten im Gegensatz zu den erfindungsgemäßen Wärmedämmplatten keine Schneidbarkeit gegeben ist. Die Schnittflächen werden mit einem Versiegelungsmittel, z.B. einem Spezialharz versiegelt und zur Vervollständigung der Fassade eingesetzt. Das Verfahren ermöglicht einen Zuschnitt vor Ort, da beim Zuschneiden von Passstücken, z.B. für eine Dachschräge, keine Vakuumisolierung zerstört wird. Um die Schnittflächen, insbesondere die freiliegende Schicht aus hydrophobierter, pyrogener Kieselsäure vor dem Eindringen von Schmutz und Feuchtigkeit zu schützen, werden die Schnittflächen mit einem geeigneten Harz versiegelt. So kann eine komplette Wärmedämmfassade aus Standardformatplatten in sehr einfacher und kostengünstiger Weise vor Ort errichtet werden.A process for constructing a thermal insulation facade made of insulating panels containing hydrophobized, fumed silica particles comprises the following steps: The façade is first constructed from insulation boards with a standardized format, then missing, non-standard-sized and still to be fitted insulation panels are cut. Such cropping is only possible through the use of Non-evacuated thermal insulation panels possible, since there is no cuttability for evacuated thermal insulation panels in contrast to the thermal insulation panels according to the invention. The cut surfaces are sealed with a sealant such as a special resin and used to complete the facade. The method enables a cutting on site, as when cutting fitting pieces, eg for a sloping roof, no vacuum insulation is destroyed. In order to protect the cut surfaces, in particular the exposed layer of hydrophobic fumed silica from the ingress of dirt and moisture, the cut surfaces are sealed with a suitable resin. Thus, a complete thermal insulation façade made of standard format panels can be erected on site in a very simple and cost-effective manner.
Die Verwendung von Mineralwolle, z.B. Stein- oder Glaswolle als Dämmstoff ermöglicht die Entstehung einer nicht brennbaren Wärmedämmplatte mit einer Wärmeleitfähigkeit, die bei einer Temperatur von 10°C weniger als 25 W/m*K beträgt und bei einem erfolgenden Rückbau als ökologisch unbedenklicher Bauschutt entsorgt werden kann.The use of mineral wool, e.g. Stone or glass wool as an insulating material allows the formation of a non-combustible thermal insulation board with a thermal conductivity, which is less than 25 W / m * K at a temperature of 10 ° C and can be disposed of as environmentally sound construction waste in a dismantling.
Die Wärmeleitfähigkeit eines Dämmplattenaufbaus mit einer 15 mm messenden Schicht aus verpressten, pyrogenen Kieselsäurepartikeln, die nicht hydrophobiert wurde und von zwei 10 mm dicken Schichten aus aufgeschäumten Polystyrol (035er EPS-Platten) ummantelt ist, liegt im Mittel bei einem Wert von 25 mW/(m*K). Die Verwendung von hydrophobierter, pyrogener Kieselsäure ermöglicht eine weitere Absenkung der Wärmeleitfähigkeit auf 20 mW/(m*K), da die Hohlräume im Gefüge der verpressten pyrogenen Kieselsäure durch. Hydrophobieren verringert werden.The thermal conductivity of an insulation board structure with a 15 mm layer of compressed, fumed silica particles which has not been rendered hydrophobic and is covered by two 10 mm thick layers of foamed polystyrene (035 EPS plates) is on average at a value of 25 mW / ( m * K). The use of hydrophobized, fumed silica allows a further reduction of the thermal conductivity to 20 mW / (m * K), since the voids in the structure of the compressed fumed silica by. Hydrophobizing be reduced.
Eine weitere Verbesserung der Wärmedämmung kann erzielt werden, in dem die Schicht aus pyrogener hydrophobierter Kieselsäurepartikeln deutlich dicker, beispielsweise dicker als 6 cm ausgebildet wird. Die Möglichkeit derart dicke Dämmschichten vorzusehen ist ein weiterer Vorteil gegenüber Vakuumdämmplatten, welche auf eine Dicke von unter 6 cm beschränkt sind.A further improvement of the thermal insulation can be achieved in which the layer of pyrogenic hydrophobicized silica particles is formed significantly thicker, for example thicker than 6 cm. The possibility to provide such thick insulating layers is another advantage over vacuum insulation panels, which are limited to a thickness of less than 6 cm.
Für die Einbettung der hydrophobierten und verpressten Kieselsäurepartikelschicht in vorzugsweise eine Styroporummantelung (= expandiertes Polystyrol, EPS) werden die mehrschichtigen Sandwichpaneele einzeln gebacken als Automatenplatten hergestellt.For embedding the hydrophobicized and compressed silica particle layer in preferably a Styrofoam sheath (= expanded polystyrene, EPS), the multilayer sandwich panels are individually baked as machine boards produced.
Da das Hydrophobieren nur einen Bruchteil der Kosten für die Erzeugung des Vakuums bei Schichten aus pyrogenen Kieselsäurepartikeln erfordert, kann durch die erfindungsgemäß aufgebaute Dämmplatte eine effiziente und zugleich herausragend kostengünstige Wärmedämmung erreicht werden.Since the hydrophobing requires only a fraction of the cost of generating the vacuum in layers of fumed silica particles, can be achieved by the inventively constructed insulation board efficient and at the same time outstanding low cost thermal insulation.
Ausführungsbeispiele der Erfindung werden nachfolgend anhand der
- Fig. 1
- eine dreidimensionale Prinzipdarstellung einer dreischichtigen Wärmedämmplatte nach der Erfindung,
- Fig. 2
- einen Querschnitt von zwei dreischichtigen Wärmedämmplatten mit Stufenfalz und Angabe der Schichtstärken nach einem der ersten Ausführungsbeispiele der Erfindung und
- Fig. 3
- einen Querschnitt von zwei fünfschichtigen Wärmedämmplatten mit Stufenfalz und Angabe der Schichtstärken nach einem zweiten Ausführungsbeispiel der Erfindung.
- Fig. 1
- a three-dimensional schematic representation of a three-layer thermal insulation panel according to the invention,
- Fig. 2
- a cross section of two three-layer thermal insulation boards with shiplap and specification of the layer thicknesses according to one of the first embodiments of the invention and
- Fig. 3
- a cross section of two five-layer thermal insulation boards with stepped rebate and indication the layer thicknesses according to a second embodiment of the invention.
Eine standardisierte Ausführung der mehrschichtigen Wärmedämmplatte 1 hat bevorzugt die Abmessungen 1000 mm x 500 mm und die Stärke der Platten liegt vorzugsweise in einem Bereich von 5 bis 300 mm.A standardized embodiment of the multi-layered thermal insulation panel 1 preferably has the dimensions 1000 mm x 500 mm and the thickness of the panels is preferably in a range of 5 to 300 mm.
Die untere Deckschicht 5a bildet mit einer Stärke von 5 cm einen Stufenfalz 9, der auf einer gegenüberliegenden Seite komplementär angeordnet ist, wobei die oberhalb der unteren Deckschicht 5a angeordnete innere Schicht 7 den Stufenfalz 9 überlappt und dabei von der oberen Deckschicht 5 und einem oberen Teilabschnitt mit einer Dicke von 1 cm der unteren Deckschicht 5a eingebettet ist.The lower cover layer 5a forms with a thickness of 5 cm a stepped fold 9 which is arranged on an opposite side complementary, wherein the above the lower cover layer 5a arranged inner layer 7 overlaps the rabbet 9 and thereby of the
Eine zweite dreischichtige Wärmedämmplatte 1b ist um 180° gedreht mit dementsprechend umgekehrter Schichtabfolge und komplementärer Stufenfalz 9a neben der Wärmedämmplatte 1a angeordnet und bildet mit dieser einen Aufbau, bei dem die innere Schicht 7 der Wärmedämmplatte 1a eine innere Schicht 8 der Wärmedämmplatte 1b aufgrund der komplementären Stufenfalz 9a von oben überlappt, wobei eine Überlappungslänge der beiden inneren Schichten 7, 8 vorzugsweise mindestens 3cm beträgt. Die 2 cm dicke innere Schicht 8 der Wärmedämmplatte 1b ist dabei von einer 2 cm dicken unteren Deckschicht 6 und einer 6 cm dicken oberen Deckschicht 6a eingebettet.A second three-layered thermal insulation board 1b is rotated by 180 ° with correspondingly reversed layer sequence and complementary stepped rebate 9a next to the thermal insulation board 1a and forms with this a structure in which the inner layer 7 of the thermal insulation board 1a an
Zudem bilden die untere Deckschicht 13, die innere Schicht 12 und mit einer Stärke von 1 cm ein oberer Teilabschnitt der mittleren Schicht 13a einen Stufenfalz 9, der auf einer gegenüberliegenden Seite komplementär angeordnet ist, wobei die oberhalb der Stufenfalz 9 angeordnete innere Schicht 11 den Stufenfalz 9 überlappt und dabei von der oberen Deckschicht 13b und einem unteren Teilabschnitt mit einer Dicke von 1 cm der mittleren Schicht 13a eingebettet ist.In addition, the
Eine zweite fünfschichtige Wärmedämmplatte 10a ist um 180° gedreht mit dementsprechend umgekehrter Schichtabfolge und komplementärer Stufenfalz 9a neben der Wärmedämmplatte 10 mit zwei inneren Schichten 15 und 16 angeordnet und bildet mit zusammen mit der Wärmedämmplatte 10 einen Aufbau, bei dem die innere Schicht 11 der Wärmedämmplatte 10 die innere Schicht 16 der Wärmedämmplatte 10a aufgrund der komplementären Stufenfalz 9a von oben überlappt. Die 1 cm dicken inneren Schichten 15 und 16 der Wärmedämmplatte 10a sind dabei von einer unteren Deckschicht 14b, einer mittleren Schicht 14a und einer oberen Deckschicht 14 eingebettet.A second five-layered thermal insulation board 10a is rotated by 180 ° with correspondingly reversed layer sequence and complementary stepped rebate 9a next to the
Um die Eigenschaften von erfindungsgemäßen Wärmedämmplatten genauer zu untersuchen wurde eine Probe einer dreischichtigen Wärmedämmplatte genauer untersucht. Die Platte hatte eine Nenndicke von 40 mm, wobei eine entsprechend der Norm EN 823 gemessene Dicke von der Nenndicke abwich und 39,2 mm betrug. Die Platte ist aus zwei außen liegenden Schichten aus EPS mit einer Dicke von jeweils ca. 10 mm und einer innen liegenden Schicht, welche eine Dicke von circa 20mm aufweist und hydrophobierte pyrogene Kieselsäure enthält, aufgebaut. Eine Grundfläche der Probe beträgt 25 dm2, eine Masse der Probe 163,1 g und eine Rohdichte 16,6 kg/m3. Der Prüfdruck betrug 2500 Pa.In order to investigate the properties of thermal insulation panels according to the invention in more detail, a sample of a three-layer thermal insulation panel was examined in more detail. The plate had a nominal thickness of 40 mm, with a thickness measured according to the EN 823 standard deviating from the nominal thickness and being 39.2 mm. The plate is made up of two outer layers of EPS with a thickness of approximately 10 mm each and an inner layer which has a thickness of approximately 20 mm and contains hydrophobized fumed silica. A base area of the sample is 25 dm 2 , a mass of the sample 163.1 g and a bulk density 16.6 kg / m 3 . The test pressure was 2500 Pa.
Die Probe wurde in ein Einplatten-Wärmeleitfähigkeitsmessgerät "lambda-Meter EP-500" der Firma Lambda-Messtechnik GmbH, Dresden eingelegt. Dieses entspricht der Norm EN 1946-2. Die Messung wurde durchgeführt während die Probe waagerecht orientiert und die Warmseite oben war. Die Wärmeleitmessung erfolgte gemäß den Normen ISO 8302 bzw. EN 12667.The sample was placed in a single-plate thermal conductivity meter "lambda-meter EP-500" from Lambda-Messtechnik GmbH, Dresden. This complies with EN 1946-2. The measurement was carried out while the sample was oriented horizontally and the hot side was up. The thermal conductivity measurement was carried out in accordance with the ISO 8302 or EN 12667 standards.
Insgesamt wurde bei 3 verschiedenen Temperaturen jeweils eine Messung durchgeführt. Bei allen drei Messungen betrug eine Temperaturdifferenz zwischen beiden Seiten der Platte 15 K.Overall, one measurement was carried out at 3 different temperatures. For all three measurements, a temperature difference between both sides of the plate was 15K.
Die erste Messung wurde bei einer Temperatur von 10°C durchgeführt. Eine gemessene Wärmeleitfähigkeit betrug 23,96 mW/(m·K), während ein R-Wert, also ein thermischer Widerstand, von 1,636 m2K/W gemessen wurde.The first measurement was carried out at a temperature of 10 ° C. A measured thermal conductivity was 23.96 mW / (m · K), while an R value, ie a thermal resistance, of 1.636 m 2 K / W was measured.
Die zweite und dritte Messung wurde bei 23 bzw. 40°C durchgeführt. Eine gemessene Wärmeleitfähigkeit betrug 24,83 bzw. 26,24 mW/(m·K), während ein R-Wert von 1,579 bzw. 1,494 m2K/W gemessen wurde.The second and third measurements were carried out at 23 and 40 ° C, respectively. A measured thermal conductivity was 24.83 and 26.24 mW / (m · K), respectively, while an R value of 1.579 and 1.494 m 2 K / W, respectively, was measured.
Durch lineare Regression wurde eine Gradengleichung λ = (0,0763·T + 23,15) mW/(m·K) für die Wärmeleitfähigkeit ermittelt.By linear regression, a degree equation λ = (0.0763 · T + 23.15) mW / (m · K) was determined for the thermal conductivity.
Entsprechend der Gleichung ergibt sich bei 10°C eine Wärmeleitfähigkeit von 23,92 mW/(m·K) sowie ein R-Wert von 1,640 m2K/W. Ein TK-Wert, welcher die Ableitung der Wärmeleitfähigkeit nach der Temperatur angibt, beträgt 0,0763 mW/(m·K2).According to the equation, a thermal conductivity of 23.92 mW / (m · K) results at 10 ° C. and an R value of 1.640 m 2 K / W. A TK value, which indicates the derivative of the thermal conductivity according to the temperature, is 0.0763 mW / (m · K 2 ).
Für den Aufbau einer Wärmedämmfassade aus erfindungsgemäßen Wärmedämmplatten mit einem Standardformat von vorzugsweise 1000 mm x 500 mm wird die Wärmedämmfassade zunächst so weit als möglich aus Dämmplatten mit dem standardisierten Format aufgebaut. Dann werden noch fehlende und einzupassende Dämmplattenabschnitte aus Standardformaten vor Ort zugeschnitten und die Schnittflächen werden mit einem Harz versiegelt. Anschließend werden die so präparierten Wärmedämmplattenabschnitte zur Vervollständigung der Wärmedämmfassade eingesetzt.For the construction of a thermal insulation facade of thermal insulation panels according to the invention with a standard size of preferably 1000 mm x 500 mm, the thermal insulation facade is first as far as possible constructed of insulation boards with the standardized format. Then missing and adaptable insulation board sections from standard formats are cut on site and the cut surfaces are sealed with a resin. Subsequently, the thus-prepared thermal insulation panel sections are used to complete the thermal insulation facade.
Claims (14)
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Also Published As
Publication number | Publication date |
---|---|
RU2009148678A (en) | 2011-07-10 |
DE102008064572A1 (en) | 2010-07-08 |
EP2204513A3 (en) | 2011-11-16 |
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